225155036 has 6 divisors (see below), whose sum is σ = 394021320. Its totient is φ = 112577516.

The previous prime is 225155011. The next prime is 225155059. The reversal of 225155036 is 630551522.

It is a happy number.

It is a super-2 number, since 2×225155036² = 101389580472322592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28144376 + ... + 28144383.

It is an arithmetic number, because the mean of its divisors is an integer number (65670220).

Almost surely, 2^225155036 is an apocalyptic number.

It is an amenable number.

225155036 is a deficient number, since it is larger than the sum of its proper divisors (168866284).

225155036 is a wasteful number, since it uses less digits than its factorization.

225155036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56288763 (or 56288761 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 225155036 is about 15005.1669767450. The cubic root of 225155036 is about 608.3598653010.

The spelling of 225155036 in words is "two hundred twenty-five million, one hundred fifty-five thousand, thirty-six".